1665920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 4222800

約数和(自身を除く): 2556880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 137, 152, 160, 190, 274, 304, 320, 380, 548, 608, 640, 685, 760, 1096, 1216, 1370, 1520, 2192, 2432, 2603, 2740, 3040, 4384, 5206, 5480, 6080, 8768, 10412, 10960, 12160, 13015, 17536, 20824, 21920, 26030, 41648, 43840, 52060, 83296, 87680, 104120, 166592, 208240, 333184, 416480, 832960, 1665920]

約数ペア:

[(1, 1665920), (2, 832960), (4, 416480), (5, 333184), (8, 208240), (10, 166592), (16, 104120), (19, 87680), (20, 83296), (32, 52060), (38, 43840), (40, 41648), (64, 26030), (76, 21920), (80, 20824), (95, 17536), (128, 13015), (137, 12160), (152, 10960), (160, 10412), (190, 8768), (274, 6080), (304, 5480), (320, 5206), (380, 4384), (548, 3040), (608, 2740), (640, 2603), (685, 2432), (760, 2192), (1096, 1520), (1216, 1370)]